Ethyl 3-[[2'-(N-t-Butylsulfamoyl)biphenyl-4-yl]methyl]-2-methoxyimino-4-oxooctanoate   、                                                                                      2-chloro-5-nitrophenylhydrazine hydrochloride   、                                                                                      
溶剂黄146                                                                                                                                                              在
                                                                                                                                                                                 
氮   、                                                                                                  
盐酸   、                                                                                                  
乙酸乙酯   、                                                                                                  
水   、                                                                                                  
Sodium sulfate-III   、                                                                                                  silica gel                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙二醇甲醚                                                                                  为溶剂,
                                                                                                                                                    反应 20.0h,
                                                                                                                以Flash chromatography of the residue twice on silica gel (first column eluted with 2% MeOH in CH2Cl2, second column eluted with 1% MeOH in CH2Cl2) to provide 1.71 g (47%) of the title compound as a viscous, orange oil的产率得到ethyl 3-n-butyl-1-(2-chloro-5-nitrophenyl)-4-[(2'-sulfamoylbiphenyl-4-yl)methyl]-1H-pyrazole-5-carboxylate